SI5100 IFM Electronic Flow Switch

IFM Electronic Flow Switch: Reliably detect the flow of liquids, gases and even some solids with the SI flow sensors. The thermal technology is ideal for flow / no flow applications and for very low flow applications using a low flow block accessory.

Outputs include analog flow representing 0…100% of taught flow rate and switching outputs for flow and temperature.

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Features

  • Reliable monitoring of liquids and gases in pipes
  • Variable process connection using adapters
  • Easy setting of the switch points for quick set-up
  • Robust stainless steel housing for use in harsh industrial environments
  • LED bar graph for indication of switch point and flow

Applications

  • High stability grade for continuous across the line X2 applications.
  • See also application note: www.vishay.com/doc?28153
  • For the maximum product dimensions and maximum space requirements for length (lmax.), width (wmax.) and height (hmax.) following tolerances must be taken in account in the envelopment of the components as shown in the drawings below.

Specifications

Total number of outputs 1
Output signal switching signal
Electrical design PNP
Number of digital outputs 1
Output function normally open / closed; (configurable)
Max. voltage drop switching output DC [V] 2.5
Permanent current rating of switching output DC [mA] 250
Short-circuit protection yes
Type of short-circuit protection yes (non-latching)
Overload protection yes
Accuracy/deviations
Repeatability [cm/s] 1…5
Note on repeatability
for water 5…100 cm/s; 25 °C
Factory setting
Temperature drift [cm/s x 1/K] 0.1; (for water 5…100 cm/s; 10…70 °C)
Max. temperature gradient of medium [K/min] 300
Switch point accuracy [cm/s] ± 2…± 10; (for water 5…100 cm/s; 25 °C; Factory setting)
Hysteresis [cm/s] 2…5; (for water 5…100 cm/s; 25 °C; Factory setting)